75 south street, hopkinton, ma 01748 ? 800-982 -5737 ? 508-435-6831 ? fax 508-435-5289 ? www.valpeyfisher.com 1 vfac570 hcmos/ttl compatible surface mount clock oscillators features ? wide frequency range ? very low phase jitter ? emi shielded ? tight duty cycle available ? wide temperature range (-55 oc to 125 oc) available ? tristate control standard absolute max. ratings electrical notes: 1. up to 20ppm available. 2. current is load and frequency dependent. 3. standard symmetry, tighter available. all specifications are subj ect to change without notice. electrical connections parameter symb condition min typ max unit note input break down voltage vcc ?0.5 7 v storage temp. ts ?55 +125 c frequency range f 4.0 160 mhz frequency stability ? f/f overall conditions including: calibration, temp., aging 10 yrs, shock, vibration 100 ppm 1 input voltage vcc 4.75 3.15 5.00 3.30 5.25 3.45 v std lv opt. input current icc f = 100mhz 15pf load 50 ma 2 load 10 ttl gates or 50pf max, ac coupled 50 ohm termination recommended duty cycle @1.4v @50%vcc 40 40 50 50 60 60 % % 3 rise/fall time tr/tf 0.4v to 2.4v 20% to 80% 1.5 ns logic ?1? level voh max load 0.9vcc v logic ?0? level vol max load 0.1vcc v start?up time ts 2 10 ms phase jitter 1 ? 1 ps fj>1khz tristate function input high (>2.5v) or floating: active input low (<0.5v): infinite impedance enable/ disable time ts 100 ns operating temperature range 0oc to +70oc (-40oc to +85oc, and -55oc to +125oc available) mechanical shock per mil-std-202, method 213, cond. e thermal shock per mil-std-883, method 1011, cond. a vibration per mil-std-883, method 2007, cond. a soldering conditions 260oc for 10s, max. hermetic seal leak rates less than 5 x 10 -8 atm.cc/s of helium pin out pi#1-tristate control pin # 2 -ground case pin # 3 -output pin # 4 -vcc all dimensions are typical unless otherwise specified. environmental and mechanical
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